Event: Worcestershire Championship League

PDF Excel

Opponent	Rating	Result
Nigel Hosken	2067	½ - ½
Daniel M Lambourne	2038	1 - 0
Kevin Hurney	2046	½ - ½
John A Edge	2072	0 - 1
Stephen D Mellor	2091	½ - ½
Peter R Kitson	2039	0 - 1
Alexandr Mityaev	2136	0 - 1
Alexandr Mityaev	2136	0 - 1

performance = (sum(opponents ratings) + 400(wins-losses)) / games

1928 = (16625 + 400 * (1 - 4)) / 8)